Constraint report

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This special page performs constraint checks on any entity you want. The entities are fetched from the live system, so every constraint violation you fix there will be instantly removed from this list.

The constraints are parsed from statements on properties each time those statements are edited, usually within a few minutes.

Check constraints for entity

Result for drum kit (Q128309)

: 7, : 2, : 651, : 33, : 1

StatusPropertyMessageConstraint
Amazon.com browse nodeThis property is generally expected to contain only a single value.single-value constraint
Amazon.com browse nodeThis property is generally expected to contain only a single value.single-value constraint
award receivedAn entity with award received should also have a statement instance of.item-requires-statement constraint
MIMO instrument IDThis property is generally expected to contain only a single value.single-value constraint
MIMO instrument IDThis property is generally expected to contain only a single value.single-value constraint
subredditThis subreddit statement is missing a qualifier language of work or name.required qualifier constraint
derivative workEntities using the derivative work property should be instances of one of the following classes (or of one of their subclasses), but drum kit currently isn't: subject type constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
different frompercussion should also have the symmetric statement different from drum kit.symmetric constraint